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JukkaL merged 1 commit into from
Apr 22, 2026
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Add changelog entries for 1.20.2 #21288

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Add changelog entries for 1.20.2
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@JukkaL
JukkaL committed Apr 22, 2026
commit a963afa801c6c19a98dea26e40772ac88b002e7f
12 changes: 12 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -578,6 +578,18 @@ Please see [git log](https://github.com/python/typeshed/commits/main?after=f8f07
- Allow dangerous identity comparisons to `Any` typed variables (Shantanu, PR [21142](https://github.com/python/mypy/pull/21142))
- `--warn-unused-config` should not be a strict flag (Ivan Levkivskyi, PR [21139](https://github.com/python/mypy/pull/21139))

### Mypy 1.20.2

- Use WAL with SQLite cache and fix close (Shantanu, PR [21154](https://github.com/python/mypy/pull/21154))
- Adjust SQLite journal mode (Ivan Levkivskyi, PR [21217](https://github.com/python/mypy/pull/21217))
- Correctly aggregate narrowing information on parent expressions (Shantanu, PR [21206](https://github.com/python/mypy/pull/21206))
- Fix regression related to generic callables (Shantanu, PR [21208](https://github.com/python/mypy/pull/21208))
- Fix regression by avoiding widening types in some contexts (Shantanu, PR [21242](https://github.com/python/mypy/pull/21242))
- Fix slicing in non-strict optional mode (Shantanu, PR [21282](https://github.com/python/mypy/pull/21282))
- mypyc: Fix match statement semantics for "or" pattern (Shantanu, PR [21156](https://github.com/python/mypy/pull/21156))
- mypyc: Fix issue with module dunder attributes (Piotr Sawicki, PR [21275](https://github.com/python/mypy/pull/21275))
- Initial support for Python 3.15.0a8 (Marc Mueller, PR [21255](https://github.com/python/mypy/pull/21255))

### Acknowledgements

Thanks to all mypy contributors who contributed to this release:
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